Review of Mail powered by the Slant community.
Ranked in these QuestionsQuestion Ranking
Pro Integrates with iOS search
You can use spotlight to search through emails.
Pro Comes pre-installed on all iOS devices
No need to go out and install another app from the App Store.
Con Some emails on iPad have excess padding
iPad version adds padding to text that can't be overridden and it can mess up the layout of the email.